# Tìm số vs Memo Flip

The clearest difference is ads: Memo Flip at none against Tìm số's shown. Memo Flip also leads on update cadence (every 18 months vs every 37 months) and iOS requirement (12.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Tìm số ships an update every 37 months, Memo Flip every 18 months. The most recent releases landed on June 25, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | Tìm số | Memo Flip |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tim-so/id1381308060/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 37 months | **Every 18 months** |
| Monetization | Ad-supported | — |
| Size | 8 MB | 47 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Hung Phuoc Tran](https://appshunter.io/developer/1003648744) | [Quang Duc Vu](https://appshunter.io/developer/1038090500) |

## What reviewers say

### Tìm số

[App page](https://appshunter.io/ios/app/tim-so/id1381308060)

A game where numbers 1 to 100 are randomly arranged. Your task is to find them in sequential order. The winner is the one who finds them the fastest.

**Highlights:** Randomly arranged numbers 1-100, Sequential finding challenge, Time-based scoring, Fast-paced gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### Memo Flip

[App page](https://appshunter.io/ios/app/memo-flip/id1642294594)

**In-app purchases:** none


## Frequently asked questions

### Is Tìm số free?

Tìm số is free to download, with no in-app purchases.

### Is Memo Flip free?

Memo Flip is free to download, with no in-app purchases.

### Do Tìm số or Memo Flip have ads?

Tìm số shows ads; Memo Flip does not.

### Which is updated more often, Tìm số or Memo Flip?

Tìm số ships an update every 37 months, and Memo Flip every 18 months. Most recently, Tìm số was updated on June 25, 2026 and Memo Flip on May 17, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*